Finding the Fourth Proportional to 10,436.24, 14,390.76 and 7,922.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.24 : 14,390.76 = 7,922.96 : x
2. Step 2: Convert to fraction form
   10,436.24/14,390.76 = 7,922.96/x
3. Step 3: Cross multiply
   10,436.24x = 14,390.76 × 7,922.96
4. Step 4: Simplify right side
   10,436.24x = 114,017,415.85
5. Step 5: Solve for x
   x = 114,017,415.85/10,436.24
6. Step 6: Final answer
   x = 10,925.14